From: Paul Mundt <lethal@linux-sh.org>
To: linux-fbdev@vger.kernel.org
Subject: Re: [PATCH 0/4] efifb speedup and fixes
Date: Thu, 02 Jun 2011 08:20:39 +0000 [thread overview]
Message-ID: <20110602082039.GH6087@linux-sh.org> (raw)
In-Reply-To: <cover.1306418703.git.luto@mit.edu>
On Thu, May 26, 2011 at 10:13:30AM -0400, Andy Lutomirski wrote:
> Fbcon over efifb is so slow that I thought I needed a faster modem.
> It turns out that scrolling boot messages at 1024x768 pixels with
> uncached accesses can take longer than every other step of kernel
> bootup *combined*.
>
> Fixing it is a one-liner, but I found some bugs while I was digging
> around. One is a mismatched resource release (although not on my
> box), one is a harmless compiler warning, and one fixes all manner of
> badness that happens if you manually bind or unbind the efifb driver.
>
> The speedup may or may not be 2.6.40 material, but the other fixes
> should probably go in. (2/4 and 4/4 are possibly -stable candidates.)
>
> Andy Lutomirski (4):
> efifb: Enable write-combining
> efifb: Fix mismatched request/release_mem_region
> efifb: Fix an integer-to-pointer size warning
> efifb: Disallow manual bind and unbind
>
I've applied patches 1, 2, and 4 along with Peter's sign off. I've not
added a stable cc since neither were specifically regressions, so I'll
just let Greg naturally decide whether to take them or not.
next prev parent reply other threads:[~2011-06-02 8:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-26 14:13 [PATCH 0/4] efifb speedup and fixes Andy Lutomirski
2011-06-02 8:20 ` Paul Mundt [this message]
2011-06-02 17:04 ` Peter Jones
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